World's top 10 biggest oil companies – in pictures

As Abu Dhabi National Oil Company appoints Sultan Al Jaber as its new director general, we take a look at which firms make up the world’s biggest based on production of barrels of oil equivalent per day. Data, courtesy of Forbes, is for 2014. Source: Business

As Abu Dhabi National Oil Company appoints Sultan Al Jaber as its new director general, we take a look at which firms make up the world’s biggest based on production of barrels of oil equivalent per day. Data, courtesy of Forbes, is for 2014.